Magnetic azimuth sundial, Bloud type
Science Museum Group
© The Board of Trustees of the Science Museum
Magnetic azimuth sundial, Bloud type
Science Museum Group
© The Board of Trustees of the Science Museum
Magnetic azimuth sundial, Bloud type
Science Museum Group
© The Board of Trustees of the Science Museum
Magnetic azimuth sundial, Bloud type
Science Museum Group
© The Board of Trustees of the Science Museum
Magnetic azimuth sundial, Bloud type
Science Museum Group
© The Board of Trustees of the Science Museum
Magnetic azimuth sundial, Bloud type
Science Museum Group
© The Board of Trustees of the Science Museum
Magnetic azimuth sundial, Bloud type
Science Museum Group
© The Board of Trustees of the Science Museum
Magnetic azimuth sundial, Bloud type
Science Museum Group
© The Board of Trustees of the Science Museum